1 files changed, 2 insertions, 0 deletions
diff --git a/src/ls.h b/src/ls.h
index 708f81618..063dc7dbd 100644
--- a/src/ls.h
+++ b/src/ls.h
@@ -28,6 +28,8 @@ int isMp3(char * utf8file, time_t * mtime);
 
 int isAac(char * utf8file, time_t * mtime);
 
+int isMp4(char * utf8file, time_t * mtime);
+
 int isOgg(char * utf8file, time_t * mtime);
 
 int isFlac(char * utf8file, time_t * mtime);